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27 June, 07:11

Acetonitrile has a density of 0.786 g/mL. Calculate the mass of 4.50 mL of Acetonitrile. Give your answer to the correct number of significant figures.

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  1. 27 June, 07:43
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    3.54 g is the mass of acetonitrile, that occupies 4.50 mL of volume

    Explanation:

    Density is defined as the relation that a mass of certain compound, which occupy certain volume.

    The formula is → mass / volume = density.

    In this case acetonitrile mass / acetonitrile volume = acetonitrile density

    So, acetonitrile mass = acetonitrile volume. acetonitrile density

    If we replace the data given,

    acetonitrile mass = 4.50 mL. 0.786 g/mL → 3.54 g
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